Slag salvaging device suitable for large-diameter bridge drilling pile

Abstract

The slag salvaging device comprises a barrel body, a lifting structure is arranged at the top of the barrel body, a discharging opening is formed in the bottom of the barrel body, a movable plate is hinged to the bottom of the barrel body through a hinge structure, a locking rod is fixedly connected to the lower side of the movable plate, one end of the locking rod extends out of the barrel body by a certain distance, and the other end of the locking rod is connected with the lifting structure. The movable plate can be opened outwards, a locking device is installed on the outer wall of the barrel body, and the locking device is matched with the locking rod so that the movable plate can close or open the discharging opening. Before slag salvaging, the movable plate is closed through the locking device, the movable plate cannot be clamped by drilling slag, after the movable plate is lifted to the ground, the movable plate is opened outwards through the locking device installed on the outer wall of the barrel body, and the movable plate is convenient to open.

Description

TECHNICAL FIELD

[0001] The utility model relates to pile foundation steel casing construction technical field especially suitable for big diameter bridge bored pile's salvage device. BACKGROUND

[0002] With the continuous development of highway in China, with the continuous innovation of design structure, the diameter of bridge pile foundation is getting larger and larger, such as the diameter of the pile foundation of a certain highway rigid frame bridge is more than 3.15 meters, which is a large diameter bridge bored pile. Large diameter bridge pile foundation drilling construction will produce a large amount of drilling slag. In the hole cleaning cycle process, the granular stone slag is difficult to pass through the water circulation quickly due to its large weight, so it needs to be salvaged by the slag salvaging device.

[0003] In the prior art, Chinese patent document CN209780817U discloses a slag discharging device for clean water drilling construction, which is composed of a handle, a barrel body and a barrel bottom. The two ends of the handle are connected to the two sides of the barrel body. The barrel bottom is composed of a fixed plate and a movable plate. The fixed plate is hingedly connected with the movable plate. The fixed plate is connected to the lower edge of the barrel body. The movable plate can rotate in the barrel body. Its characteristics are that the movable plate is driven to rotate in the barrel body by the self-pressure and gravity of the mud, which can conveniently pour and store the mud in the barrel body, save manpower, solve the problem of difficult slag discharge during clean water drilling pile foundation construction, and is suitable for construction with water geology and inconvenient manual slag discharge. Its shortcomings are that: first, since the movable plate can only rotate inward, when the salvage is lowered, the movable plate opens inward, and the mud and granular drilling slag enter the barrel body through the opened channel. However, during the lifting process, the drilling slag particles may be stuck in the movable plate, causing the movable plate to close loosely, resulting in a large amount of mud and drilling slag loss during the lifting process. Second, after being lifted to the ground, since the movable plate can only open inward, it is not convenient to open the movable plate to discharge the slag. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a salvage device for large diameter bridge bored pile, which is characterized in that the movable plate is hingedly connected with the barrel bottom through a hinge structure, the lower side of the movable plate is fixedly connected with a locking rod, one end of the locking rod extends out of the barrel body by a distance, the movable plate opens outward, and the outer wall of the barrel body is provided with a locking device, which cooperates with the locking rod to close or open the discharge port of the movable plate. Before salvaging the slag, the movable plate is closed by the locking device, so that the movable plate will not be stuck by the drilling slag. After being lifted to the ground, the movable plate is opened outward by the locking device installed on the outer wall of the barrel body, and the movable plate is opened conveniently.

[0005] In order to achieve the above object, the utility model provides a kind of suitable for large diameter bridge bored pile's slag salvaging device, including bucket body, the top of bucket body is provided with pull structure, the bottom of bucket body is provided with discharge port, movable plate is hinged to bucket bottom by hinged structure, the lower side of movable plate is fixedly connected with locking rod, and one end of locking rod extends a distance out of bucket body, movable plate can be opened outward, locking device is installed on the outer wall of bucket body, locking device cooperates with locking rod, to make movable plate close or open discharge port.

[0006] The upper end of the inner wall of the bucket body is fixedly connected with an anti-backflow device.

[0007] The anti-backflow device is a flat plate structure, and a feeding channel is arranged in the middle of the flat plate structure.

[0008] The anti-backflow device is a conical hopper structure with a large upper part and a small lower part.

[0009] The pull structure is a pull hole arranged at the upper end of the bucket body.

[0010] The upper end of the bucket body is fixedly connected with an ear plate, and the pull hole is arranged on the ear plate.

[0011] The hinged structure includes a first hinge seat, a second hinge seat and a hinge pin, the first hinge seat is fixedly installed on the lower side of the bottom of the bucket body, the second hinge seat is fixedly installed on the lower side of the movable plate, and the hinge pin is movably arranged through the first hinge seat and the second hinge seat.

[0012] The locking device includes a fixed shaft, a hook member and a limiting member, one end of the fixed shaft is fixedly connected to the outer wall of the bucket body, the fixed shaft is located above the locking rod, the hook member is rotatably installed on the fixed shaft, and the limiting member is installed on the other end of the fixed shaft; when the hook of the hook member hooks the locking rod, the movable plate closes the discharge port.

[0013] The locking device includes a support, a swing member and a linkage rod, the support is fixedly connected to the outer wall of the bucket body, the support is located above the locking rod, one end of the swing member is hingedly connected to the support, one end of the linkage rod is hingedly connected to the locking rod, and the other end is hingedly connected to the middle part of the swing member, and the other end of the swing member is a handle; when the swing member is turned upward and abuts against the outer wall of the bucket body, the included angle between the upper end of the linkage rod and the outer wall of the bucket body is an acute angle, and the movable plate closes the discharge port; when the swing member is turned downward, the movable plate opens the discharge port.

[0014] A plurality of filter holes are arranged on the bucket body.

[0015] Compared with the prior art, the utility model has the following technical effects:

[0016] 1. The movable plate of this utility model is hinged to the bottom of the bucket via a hinged structure. A locking rod is fixedly connected to the lower side of the movable plate, with one end of the locking rod extending a certain distance out of the bucket body. The movable plate opens outward, and a locking device is installed on the outer wall of the bucket body. The locking device cooperates with the locking rod to close or open the discharge port of the movable plate. Before slag removal, the movable plate is closed by the locking device to prevent it from being stuck by drilling slag. After being lifted to the ground, the movable plate is opened outward by the locking device installed on the outer wall of the bucket body, making the movable plate easy to open.

[0017] 2. The locking device of this utility model includes a support, a swinging component, and a linkage rod. The locking rod is always connected to the locking rod. The movable plate can be opened or closed simply by operating the handle on the swinging component, making it more convenient to use.

[0018] 3. The upper end of the inner wall of the barrel of this utility model is fixed with an anti-backflow device to prevent the granular drilling slag from spilling out from the top of the barrel during the process of the slag removal device being pulled out of the pile hole.

[0019] 4. The barrel of this utility model is provided with several filter holes. The filter holes are set according to the size of the drill cuttings particles, so as to facilitate the outflow of mud and filter the drill cuttings particles into the barrel. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0021] Figure 1 This is a schematic diagram of the main structure of the first embodiment of the present invention.

[0022] Figure 2 This is a top view of the structure of the first embodiment of the present invention.

[0023] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure of AA.

[0024] Figure 4 for Figure 3 The state diagram when the activity board is turned on.

[0025] Figure 5 This is a schematic diagram of the main structure of the second embodiment of the present invention.

[0026] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure of BB.

[0027] Figure 7 for Figure 6 The state diagram when the activity board is turned on.

[0028] Figure label:

[0029] Bucket 10, pull hole 11, ear plate 12, discharge port 13, movable plate 14, hinge structure 15, first hinge seat 151, second hinge seat 152, hinge pin 153, locking rod 16;

[0030] Anti-backflow device 20;

[0031] Locking device 30, fixed shaft 31, hook member 32, hook 321, limiting member 33, support 34, swing member 35, handle 351, linkage rod 36. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as limiting the present application.

[0033] Embodiment 1:

[0034] Referring to Figures 1-4 A slag salvaging device suitable for large-diameter bridge bored piles, comprising a bucket 10, a lifting structure is arranged on the top of the bucket 10, a discharge port 13 is arranged on the bottom of the bucket 10, a movable plate 14 is hingedly connected to the bottom through a hinge structure 15, a locking rod 16 is fixedly connected to the lower side of the movable plate 14, one end of the locking rod 16 extends out of the bucket 10 by a distance, the movable plate 14 can be opened outward, a locking device 30 is installed on the outer wall of the bucket 10, and the locking device 30 cooperates with the locking rod 16 to enable the movable plate 14 to close or open the discharge port 13. Before salvaging the slag, the movable plate 14 is closed through the locking device 30, so that the movable plate 14 will not be stuck by the drilling slag, and after being lifted to the ground, the movable plate 14 is opened outward through the locking device 30 installed on the outer wall of the bucket 10, so that the movable plate 14 is opened conveniently.

[0035] In the embodiment, the bucket 10 is a circular cylinder, the discharge port 13 at the bottom can be semicircular or circular, and the movable plate 14 is adapted to the discharge port 13, that is, the movable plate 14 can be semicircular or circular.

[0036] In the embodiment, referring to Figure 1 The hinge structure 15 comprises a first hinge seat 151, a second hinge seat 152 and a hinge pin 153, the first hinge seat 151 is fixedly installed on the lower side of the bottom of the bucket 10, the second hinge seat 152 is fixedly installed on the lower side of the movable plate 14, and the hinge pin 153 is movably arranged through the first hinge seat 151 and the second hinge seat 152. The hinge structure 15 can be provided with a plurality of hinge structures according to requirements.

[0037] In the embodiment, referring to Figure 1 , 3 , 4, the locking device 30 comprises a fixed shaft 31, a hook member 32 and a limiting member 33. The fixed shaft 31 is fixedly connected to the outer wall of the bucket body 10 and is located above the locking rod 16. The hook member 32 is rotatably mounted on the fixed shaft 31. The limiting member 33 is mounted on the other end of the fixed shaft 31 and limits the hook member 32 on the fixed shaft 31. The limiting member 33 can be a combination of a gasket and a split pin or a welded baffle.

[0038] Specifically, the hook member 32 is provided with a hook 321 at one end, which forms a handle portion. The hook member 32 is rotatably mounted on the fixed shaft 31. When the hook 321 of the hook member 32 hooks the locking rod 16, the movable plate 14 closes the discharge port 13. Referring to Figure 1 , if the handle portion at the upper end of the hook member 32 is struck counterclockwise, the hook 321 is away from the locking rod 16 at this time, and the movable plate 14 is opened under the action of gravity.

[0039] In the embodiment, the lifting structure is a lifting hole 11 provided at the upper end of the bucket body 10. The lifting hole 11 facilitates the connection of the lifting handle. The lifting handle is similar in structure to the lifting handle of a water bucket. In the embodiment, the lifting handle can be a round steel or a steel wire rope.

[0040] When the lifting hole 11 is not provided, the lifting structure can be a round steel lifting handle welded on the upper side of the bucket body 10.

[0041] Further, the ear plate 12 is fixedly connected to the upper end of the bucket body 10, and the lifting hole 11 is provided on the ear plate 12.

[0042] Embodiment 2:

[0043] The difference from Embodiment 1 is that, referring to Figure 5 , 6 , 7, the locking device 30 comprises a support 34, a swing member 35 and a linkage rod 36. The support 34 is fixedly connected to the outer wall of the bucket body 10 and is located above the locking rod 16. As shown in the partial enlarged view in Figure 5 , one end of the swing member 35 is hingedly connected to the support 34 through a pin shaft. One end of the linkage rod 36 is hingedly connected to the locking rod 16, and the other end is hingedly connected to the middle part of the swing member 35. The other end of the swing member 35 is a handle 351.

[0044] Referring to Figure 6When the swing member 35 is turned up to abut against the outer wall of the barrel 10, the included angle between the upper end of the linkage rod 36 and the outer wall of the barrel 10 is an acute angle, which is 1-5° in the embodiment. Since the included angle between the upper end of the linkage rod 36 and the outer wall of the barrel 10 is an acute angle, that is, when the swing member 35 is turned up to abut against the outer wall of the barrel 10, the hinge center of the linkage rod 36 and the locking rod 16 is farther away from the outer wall of the barrel 10, and the hinge center of the linkage rod 36 and the swing member 35 is closer to the outer wall of the barrel 10. When the swing member 35 is turned up to abut against the outer wall of the barrel 10, the swing member 35 forms self-locking, thereby closing the movable plate 14.

[0045] In the embodiment, referring to Figure 5 , the linkage rod 36 adopts a rectangular metal ring structure, which is movably arranged through the hole on the support 34 and the hole in the middle of the swing member 35. When the swing member 35 is turned up to abut against the outer wall of the barrel 10, the bending part of the metal ring structure will be elastically stretched and deformed, thereby enabling the swing member 35 to abut against the outer wall of the barrel 10. When the swing member 35 is turned down, referring to Figure 7 , the movable plate 14 opens the discharge port 13.

[0046] Through the above structure, the locking rod 16 is always connected with the locking rod 16, and only the handle 351 on the swing member 35 needs to be operated, so that the opening or closing of the movable plate 14 can be realized, and the use is more convenient.

[0047] Embodiment 3:

[0048] On the basis of the embodiment 1 or the embodiment 2, referring to Figure 3 、 4 , 6, 7, the upper end of the inner wall of the barrel 10 is fixedly connected with the anti-flowback device 20, which prevents the particle drill cuttings from spilling out from the top of the barrel 10 during the process that the bailer device is pulled out from the hole.

[0049] In one scheme, the anti-flowback device 20 is a flat plate structure, and the middle of the flat plate structure is provided with a feeding channel. That is, the flat plate is a circular ring structure.

[0050] In the embodiment, referring to Figure 3 、 4 , 6, 7, the anti-flowback device 20 is a conical hopper structure which is large at the top and small at the bottom.

[0051] Embodiment 4:

[0052] On the basis of the embodiment 1 or the embodiment 2 or the embodiment 3, a plurality of filter holes are arranged on the barrel 10. The filter holes are arranged according to the size of the particle drill cuttings, so that the mud can flow out, and the particle drill cuttings are filtered in the barrel 10.

[0053] The use method or principle of the utility model:

[0054] In use, the barrel 10 is put into the bottom of the pile hole after being connected with the steel wire rope of the impact drill machine through the lifting structure. Then the barrel 10 is pulled out by the winch of the impact drill machine, the movable plate 14 is opened through the locking device 30, and the drill slag is poured into the slag pool.

[0055] It should be noted that, in order to facilitate the sinking of the barrel 10 into the bottom of the pile hole, the barrel 10 is made of thick-walled steel pipe, and its gravity is greater than the buoyancy it receives, facilitating the sinking of the barrel 10. In addition, when the movable plate 14 is closed, there is still a gap between the movable plate 14 and the edge of the discharge port 13, which facilitates the entry of water into the barrel 10 and facilitates the sinking of the barrel 10.

Claims

1. A slag removal device suitable for large-diameter bridge bored piles, comprising a barrel (10), a lifting structure provided at the top of the barrel (10), a discharge port (13) provided at the bottom of the barrel (10), and a movable plate (14) hinged to the bottom of the barrel via a hinge structure (15), characterized in that: A locking rod (16) is fixedly connected to the lower side of the movable plate (14). One end of the locking rod (16) extends a distance from the barrel (10). The movable plate (14) can be opened outward. A locking device (30) is installed on the outer wall of the barrel (10). The locking device (30) cooperates with the locking rod (16) to close or open the discharge port (13) of the movable plate (14).

2. The slag removal device for large-diameter bridge bored piles according to claim 1, characterized in that: An anti-backflow device (20) is fixed to the upper end of the inner wall of the barrel (10).

3. A slag removal device suitable for large-diameter bridge bored piles according to claim 2, characterized in that: The anti-backflow device (20) is a flat plate structure with a feeding channel in the middle.

4. A slag removal device suitable for large-diameter bridge bored piles according to claim 2, characterized in that: The anti-backflow device (20) has a cone-shaped structure that is larger at the top and smaller at the bottom.

5. A slag removal device suitable for large-diameter bridge bored piles according to claim 1, characterized in that: The lifting structure is provided with a lifting hole (11) at the upper end of the barrel body (10).

6. A slag removal device suitable for large-diameter bridge bored piles according to claim 5, characterized in that: The upper end of the barrel (10) is fixed with an ear plate (12), and a lifting hole (11) is provided on the ear plate (12).

7. A slag removal device suitable for large-diameter bridge bored piles according to claim 1, characterized in that: The hinge structure (15) includes a first hinge seat (151), a second hinge seat (152), and a hinge pin (153). The first hinge seat (151) is fixedly installed on the bottom side of the barrel body (10), the second hinge seat (152) is fixedly installed on the bottom side of the movable plate (14), and the hinge pin (153) moves through the first hinge seat (151) and the second hinge seat (152).

8. A slag removal device suitable for large-diameter bridge bored piles according to any one of claims 1 to 7, characterized in that: The locking device (30) includes a fixed shaft (31), a hook (32), and a limiting member (33). One end of the fixed shaft (31) is fixed to the outer wall of the barrel (10). The fixed shaft (31) is located above the locking rod (16). The hook (32) is rotatably mounted on the fixed shaft (31). The limiting member (33) is mounted on the other end of the fixed shaft (31). When the hook (321) of the hook (32) hooks the locking rod (16), the movable plate (14) closes the discharge port (13).

9. A slag removal device suitable for large-diameter bridge bored piles according to any one of claims 1 to 7, characterized in that: The locking device (30) includes a support (34), a swinging member (35), and a linkage rod (36). The support (34) is fixed to the outer wall of the barrel (10). The support (34) is located above the locking rod (16). One end of the swinging member (35) is hinged to the support (34). One end of the linkage rod (36) is hinged to the locking rod (16), and the other end is hinged to the middle of the swinging member (35). The other end of the swinging member (35) is a handle (351). When the swinging member (35) flips upward and abuts against the outer wall of the barrel (10), the angle between the upper end of the linkage rod (36) and the outer wall of the barrel (10) is an acute angle, and the movable plate (14) closes the discharge port (13). When the swinging member (35) flips downward, the movable plate (14) opens the discharge port (13).

10. A slag removal device suitable for large-diameter bridge bored piles according to claim 1, characterized in that: The barrel (10) is provided with several filter holes.

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